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llvm-mirror/test/LTO/Resolution/X86/dead-strip-alias.ll
Peter Collingbourne e7f0383a82 Reland r313157, "ThinLTO: Correctly follow aliasee references when dead stripping." which was reverted in r313222.
This reland includes a fix for the LowerTypeTests pass so that it
looks past aliases when determining which type identifiers are live.

Differential Revision: https://reviews.llvm.org/D37842

llvm-svn: 313229
2017-09-14 05:02:59 +00:00

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LLVM

; RUN: opt -module-summary -o %t %s
; RUN: opt -module-summary -o %t2 %S/Inputs/dead-strip-alias.ll
; RUN: llvm-lto2 run %t -r %t,main,px -r %t,alias,p -r %t,external, \
; RUN: %t2 -r %t2,external,p \
; RUN: -save-temps -o %t3
; RUN: llvm-nm %t3.1 | FileCheck %s
; CHECK: D external
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@alias = alias i8*, i8** @internal
@internal = internal global i8* @external
@external = external global i8
define i8** @main() {
ret i8** @alias
}